With original receipt or proof of purchase, items with MATERIAL or WORKMANSHIP flaws receive credit on future purchases.
Natural wear and tear on an item is not considered a defect.
Credit to your account is based on the amount of time the item was used before the defect occurred:
0-30 days: 100% credit
31-60 days: 50% credit
61-90 days: 25% credit
Over 90 days: No credit is provided
If the manufacturer has an extended guarantee on a product it will be honored.